The Philippine Mars' final flight ended in Lake Pleasant, Arizona, where the aircraft will be displayed. See photos of the ...

Such "doorways" have been seen on the Red Planet before, spotted by those trawling through the wealth of raw images captured ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

The series of pictures were captured from the Mars Global Surveyor. The post People swoon over images of hearts on Mars ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

NASA sent a valentine to space lovers on social media this week posting images of heart shapes found on Mars. The pictures ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.

A perfectly square-shaped structure has been discovered on Mars, which is 3 kilometers wide. The discovery has generated ...

A recently discovered square structure on Mars has intrigued scientists and enthusiasts, including Elon Musk and Joe Rogan.

The last Martin Mars flying boat, Philippine Mars, has landed in Arizona for permanent display at the Pima Air and Space ...